...This report examines five major mining companies that have recently operated in the Marange diamond fields and may continue to hold a stake in its future: Kusena Diamonds, Anjin Investments, Jinan Mining, Diamond Mining Corporation (DMC), and Mbada Diamonds. It details steps taken to conceal their finances, shield their operations from public scrutiny, and hide their ultimate beneficiaries and owners...[T]he government’s effort to amalgamate the industry into a single new Zimbabwe Consolidated Diamond Company (ZCDC) is stuttering...The ZCDC’s operations have also been beset by the same secrecy that has grown endemic to Zimbabwe’s diamond industry, while some of its proposed shareholders appear drawn from the very same cast of characters that have charted Marange’s history to date…Global Witness has uncovered new evidence that reveals how Zimbabwe’s feared Central Intelligence Organisation (CIO), the military, notorious smugglers, and well-heeled political elites, all gained control or ownership of companies operating in Zimbabwe’s diamond fields. Despite the role the security forces have played in subverting Zimbabwe’s democracy and perpetrating serious human rights abuses, Zimbabwean diamonds are traded freely on international markets with the Kimberley Process’ seal of approval. Rather than encouraging transparency and reforms, international demand has delivered a market for Zimbabwe’s diamonds.This report has followed Zimbabwe’s diamond millions from the mines of Marange to scrapyards in South Africa; the skyscrapers of Dubai and Hong Kong; and to the anonymous companies of secrecy jurisdictions from Mauritius to the British Virgin Islands...